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VALVE
merson has the expertise and experience to handle your instruments and control valve maintenance and repair, regardless of your industry.
  • Excellent Flow Characteristic—Precise contouring of V-notch ball provides a modified equal percentage flow characteristic.
  • High Capacity—Unrestricted, straight-through, flow design provides greater capacity than many conventional globe and rotary eccentric plug valves.
  • Long Seat Life—Patented V-notch ball cams into and out of the seat minimizing contact with the seat ring for reduced wear and friction. V-notch ball doesn't contact seat during throttling operation. S31600 (316 stainless steel) or R30006 (Alloy 6) seat ring has two shutoff surfaces and can be easily reversed, reducing downtime.
  • One-Piece Body—Valve body is cast in one piece. There are no body gaskets to leak as a result of pipeline stresses.
  • Operational Versatility—Self-centering seat ring and rugged V-notch ball allow forward or reverse flow with tight shutoff in either flow direction.
  • Easy Installation—Integral valve flanges mate with many different classes of pipeline flanges, satisfying a variety of piping requirements. Flanges eliminate exposed line flange bolting, shorten alignment and installation time, and promote secure valve installations and piping integrity. Flangeless valves are automatically self-centering on line bolting for easy installation.
  • Simple Assembly and Maintenance—No special orientation, precision clamping or repetitive centering of V-notch ball and seat ring is required when tightening the retainer, promoting accurate alignment and easy assembly.
 
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